ÇİĞDEM ATALAYIN ÖZKAYA, Ali Osman DEMİRHAN, BİLAL YAŞA, L. Şebnem TÜRKÜN

Prefabrik ve Direkt Kompozit Rezinlerdeki Renk Değişimleri Diş Fırçalaması ile Giderilebilir mi?

GİRİŞ ve AMAÇ: Kahve ile renklendirilen prefabrik ve direkt kompozit rezinlerin fırçalama sonrası renk değişimlerini incelemektir. YÖNTEM ve GEREÇLER: Bir prefabrik (Componeer-Coltène) ve üç direkt kompozit rezin (Brilliant Ever Glow-Coltène, Essentia-GC, Harmonize-Kerr) kullanıldı. Componeer, cilalama işlemi uygulanan ve uygulanmayan olacak şekilde iki gruba ayrıldı. Başlangıç renk ölçümleri sonrasında örnekler kahvede bir hafta bekletildi ve tekrardan renk ölçümleri yapıldı. Renklenen örneklere Pro-Expert Güçlü Dişler-İpana, 3D White Luxe Perfection-İpana ve White Ruscello-GC diş macunları ile bir yıllık fırçalama simülasyonu (Toothbrush Simulation ZM-3.4-SD-Mechatronik) uygulandı. Fırçalama sonrası renk değişimleri (?E) hesaplandı. İstatistiksel analiz çok yönlü ANOVA ve posthoc Tukey testi ile yapıldı (p

Is it Possible to Remove the Discolorations of Prefabricated and Direct Resin Composites by Tooth Brushing?

INTRODUCTION: To evaluate the color changes of prefabricated and direct resin composites discolored in coffee after brushing. METHODS: One prefabricated (Componeer-Coltène) and three direct resin composites (Brilliant Ever Glow-Coltène, Essentia-GC, Harmonize-Kerr) were used. Componeer samples were prepared with and without polishing. After baseline color-measurement, the specimens were immersed in coffee solution for one week and color-measurement was repeated. The specimens were then subjected to 1-year brushing (Toothbrush Simulation ZM-3.4-SD Mechatronics) with Pro-Expert Strong Teeth-Ipana, 3D White Luxe Perfection-Ipana and White Ruscello-GC toothpastes. Color-changes (ΔE) were calculated and statistical analysis was performed by multivariate ANOVA and posthoc Tukey test (p˂0.05). RESULTS: Clinically unacceptable color-changes were observed in materials immersed in coffee solutions (ΔE=7.04, p˂0.05). The least discolored materials were Harmonize (ΔE=5.75±1.29), Componeer with polishing (ΔE=5.92±1.34) and Brilliant Ever Glow (ΔE=6.81±1.63). Higher color-changes were observed in Essentia (ΔE=7.68±1.54) and Componeer without polishing (ΔE=9.03±1.67) (p˂0.05). The discolorations returned to clinically undetectable levels after brushing in all groups (ΔE=1.07±0.64, p˂0.05). 3D White Luxe Perfection (ΔE=0.89±0.42) and Pro-Expert Strong Teeth (ΔE=0.92±0.65) exhibited higher activity and color-change was below the discernable limits (ΔE˂1). DISCUSSION AND CONCLUSION: The coffee discoloration of resin composites with improved polishability is less than prefabricated composites, however all discolorations could be removed by toothbrushing

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